Wärtsilä's Pact Perpetuated: Indonesian Mining Affinity Extended

WartsilaImage Source: Wartsila


Wärtsilä solidifies its enduring partnership with Indonesian mining giant PT Aneka Tambang (Antam) through a second renewal of the Guaranteed Asset Performance agreement. Established in 2005, the full Operation and Maintenance agreement and the subsequent GAP agreement since 2017 have been pivotal in sustaining a reliable energy supply. The captive power plant, powered by Wärtsilä's 50DF dual-fuel engines, plays a vital role in supporting 60% of Antam's energy requirements for its ferronickel operations in Southeast Sulawesi.


In a testament to the enduring collaboration between Wärtsilä and Indonesian mining behemoth PT Aneka Tambang (Antam), a second renewal of the Guaranteed Asset Performance (GAP) agreement has been inked. This reaffirms the commitment established in 2005 when Wärtsilä initially implemented a full Operation and Maintenance agreement for the power plant.

The captive power plant, boasting a robust capacity of 137 MW, stands as a cornerstone in supplying 60% of the electricity essential for Antam's ferronickel mine and ore processing plant situated in Pomalaa, Southeast Sulawesi. Executed under an engineering, procurement, and construction contract, the power plant operates seamlessly with eight Wärtsilä 50DF dual-fuel engines.

Desryantho Tandi, Diesel Power Plant Manager at Antam, expresses gratitude for Wärtsilä's unwavering support since the power plant's inception. He acknowledges the significance of both remote monitoring and onsite advisors, ensuring a consistent and reliable energy supply crucial for meeting production targets.

Erwin Vanderkerff, Director, Regional Operations Australasia at Wärtsilä, underscores the importance of this renewed agreement in fostering long-term customer relations. He highlights the mutual benefits derived from a high level of trust and understanding, facilitating operational efficiency and providing cost predictability.

Beyond remote monitoring and on-site advisory services, the renewed agreement encompasses a comprehensive power management system. Additionally, it includes a spare parts supply for the engines and auxiliaries, ensuring operational continuity. Antam also gains access to the latest design and upgrade information, expert technical advisory, thorough analysis, audits, and improvement recommendations for the entire installation.

This renewed pact not only cements the technical aspects of the collaboration but also underscores the deep-rooted trust and shared objectives between Wärtsilä and Antam. The agreement stands as a beacon of sustainable energy solutions, supporting Antam's crucial mining operations while ensuring Wärtsilä's continued role as a reliable partner in Indonesia's mining sector.


The second renewal of Wärtsilä's Guaranteed Asset Performance agreement with PT Aneka Tambang (Antam) marks a continued commitment to sustainable energy solutions in the Indonesian mining landscape. Since the power plant's commissioning in 2005, Wärtsilä's unwavering support has played a crucial role in powering Antam's ferronickel mine and ore processing plant. The agreement's extension emphasizes the significance of trust and understanding in long-term customer relations, fostering operational efficiency and cost predictability. Beyond technical support, the collaboration encompasses a holistic approach, ensuring Antam's access to the latest advancements and recommendations for continuous improvement. This enduring partnership not only sustains a reliable energy supply but also strengthens the foundations of sustainable practices within Indonesia's mining sector.

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